Weight & Mass Measurement Standards
Mass refers to the amount of matter in an object, while weight is the gravitational force exerted upon it. For everyday commercial and fitness purposes on Earth, the two terms are used interchangeably. Our Weight Converter provides instant conversion between the Metric system (kg, g, mg) and the Avoirdupois Imperial system (lb, oz).
Kilograms & Grams
1 kg = 1,000 grams. The official base unit of mass in the International System of Units (SI).
Pounds & Ounces
1 lb = 16 ounces. 1 pound is defined legally as exactly 0.45359237 kilograms.
Frequently Asked Questions
How much is 150 lbs in kg?
150 lbs is equal to approximately 68.04 kilograms (150 × 0.453592).
How many milligrams are in a gram?
There are exactly 1,000 milligrams in 1 gram (1 g = 1,000 mg).